org.apache.xerces.impl.dv.xs.Base64BinaryDV Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.impl.dv.xs;
import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
import org.apache.xerces.impl.dv.ValidationContext;
import org.apache.xerces.impl.dv.util.Base64;
import org.apache.xerces.impl.dv.util.ByteListImpl;
/**
* Represent the schema type "base64Binary"
*
* @xerces.internal
*
* @author Neeraj Bajaj, Sun Microsystems, inc.
* @author Sandy Gao, IBM
*
* @version $Id: Base64BinaryDV.java 885800 2009-12-01 15:37:29Z knoaman $
*/
public class Base64BinaryDV extends TypeValidator {
public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException {
byte[] decoded = Base64.decode(content);
if (decoded == null)
throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "base64Binary"});
return new XBase64(decoded);
}
// length of a binary type is the number of bytes
public int getDataLength(Object value) {
return ((XBase64)value).getLength();
}
/**
* represent base64 data
*/
private static final class XBase64 extends ByteListImpl {
public XBase64(byte[] data) {
super(data);
}
public synchronized String toString() {
if (canonical == null) {
canonical = Base64.encode(data);
}
return canonical;
}
public boolean equals(Object obj) {
if (!(obj instanceof XBase64))
return false;
byte[] odata = ((XBase64)obj).data;
int len = data.length;
if (len != odata.length)
return false;
for (int i = 0; i < len; i++) {
if (data[i] != odata[i])
return false;
}
return true;
}
public int hashCode() {
int hash = 0;
for (int i = 0; i < data.length; ++i) {
hash = hash * 37 + (((int) data[i]) & 0xff);
}
return hash;
}
}
} // class Base64BinaryDV